The Keysight (formerly Agilent / HP) 8593A is a portable microwave spectrum analyzer operating from 9 kHz to 22 GHz (extendable to 26.5 GHz with Option 026). Part of the legacy HP 8590 Series, it features an internal preselector, a frequency accuracy of 7.5 ppm, and 32 KB of user memory, offering robust RF and microwave measurement capabilities in a portable form factor.

Specifications

General

ParameterValue
InterfacesHP-IB (Option 021) / RS-232 (Option 023) / HP-IL (Option 024)
DisplayMonochrome CRT (raster-scan)
Warm-up Time30 minutes

Physical

ParameterValue
Power Supply86 to 127 V AC / 195 to 253 V AC, 47 to 66 Hz, < 150 VA
Operating Temperature0 to +55 °C
Dimensions (W×H×D)325 mm × 163 mm × 427 mm (without handle and cover)
Weight16.4 kg

Frequency Specifications

ParameterValue
Frequency Range9 kHz to 22 GHz (9 kHz to 26.5 GHz with Option 026)
Frequency Span Range10 kHz to 19.25 GHz, Zero Span
PreselectorInternal preselector (2.75 GHz to 22/26.5 GHz)

Bandwidth (RBW/VBW)

ParameterValue
Resolution Bandwidth (RBW) Range1 kHz to 3 MHz (in 1, 3, 10 sequence); 30 Hz to 300 Hz (with Option 130)
Video Bandwidth (VBW) Range30 Hz to 1 MHz (1 Hz to 1 MHz with Option 130)

Amplitude & Measurement Range

ParameterValue
Amplitude Range-114 dBm to +30 dBm
Maximum Safe Input RF Power+30 dBm (1 Watt) continuous
Maximum DC Input Voltage0 V
Input Attenuator Range0 to 70 dB
Input Attenuator Steps10 dB

Dynamic Range & Noise

ParameterValue
SSB Phase Noise< -95 dBc/Hz at 30 kHz offset

Sweep & Trigger Specifications

ParameterValue
Sweep Time Range (Span > 0 Hz)20 ms to 100 s
Sweep Time Range (Zero Span)20 µs to 100 s
Trace DetectorsPeak, Sample, Negative Peak
Trace FunctionsClear Write, Max Hold, Min Hold, View, Blank
Number of Measurement Points401 points

Inputs, Outputs & Connectivity

ParameterValue
RF Input Connector TypeType-N female (standard) / APC-3.5 male (Option 026)
RF Input Impedance50 Ω
Calibration Output300 MHz, -20 dBm

Physical & Environmental Specifications

ParameterValue
Storage Temperature Range-40 to +75 °C

Performance

ParameterValue
Third-Order Intermodulation Distortion<-70 dBc for two -30 dBm tones at mixer (10 MHz to 22 GHz)
1 dB Gain Compression>-10 dBm (10 MHz to 22 GHz, at mixer)
Second Harmonic Distortion<-70 dBc for -40 dBm tone at mixer (10 MHz to 2.9 GHz)
Residual Responses<-90 dBm (150 kHz to 6.4 GHz, no signal at input, 0 dB attenuation)
LO Emission at RF Input<-80 dBm with 10 dB input attenuation
Display Scale Fidelity±1 dB (over 0 to -80 dB range)
Resolution Bandwidth Switching Uncertainty±0.25 dB (referred to 3 kHz RBW)

Sweep & Triggering

ParameterValue
Trigger SourcesFree Run, Line, Video, External

Frequency Reference

ParameterValue
Standard Frequency Reference Aging Rate±2 ppm/year
Standard Frequency Reference Temperature Stability±5 ppm
Option 004 Frequency Reference Aging Rate±0.1 ppm/year
Option 004 Frequency Reference Temperature Stability±0.1 ppm

Amplitude

ParameterValue
Amplitude Log Scale Display Range1, 2, 5, 10 dB/div
Amplitude Linear Scale Display Range8 divisions

Sweep

ParameterValue
Sweep Trigger ModesFree Run, Single, Line, Video, External

Environmental

ParameterValue
Operating Altitude Limit4,570 m (15,000 ft)
Non-operating Altitude Limit15,240 m (50,000 ft)
Environmental ComplianceMeets MIL-T-28800D, Class 5 requirements

Options

ParameterValue
Option 021 HP-IB InterfaceProvides GPIB / IEEE-488 interface for remote control and printing
Option 023 RS-232 InterfaceProvides RS-232 serial interface for remote control and printing
Option 301 TV Sync TriggerAdds TV trigger capability for NTSC, PAL, and SECAM systems

Technology

Superheterodyne Spectrum Analysis

Applications

RF and Microwave Spectrum Analysis